The Mirka 3 inch Grip Faced Backup Pad, 3in-1/4x20 is a high-quality replacement part designed for Mirka Dustless Sanders. This backup pad measures 3 inches and has a 1/4x20 thread size, making it compatible with a variety of sanding machines. The grip-faced surface ensures secure attachment of sanding discs, allowing for smooth and efficient sanding operations. Manufactured by Mirka Sanders, a trusted brand in the industry, this backup pad is durable, reliable, and built to last. Upgrade your sanding equipment with the Mirka 3 inch Grip Faced Backup Pad for improved performance and results.